CVE-2017-8386
Published: 10 May 2017
git-shell in git before 2.4.12, 2.5.x before 2.5.6, 2.6.x before 2.6.7, 2.7.x before 2.7.5, 2.8.x before 2.8.5, 2.9.x before 2.9.4, 2.10.x before 2.10.3, 2.11.x before 2.11.2, and 2.12.x before 2.12.3 might allow remote authenticated users to gain privileges via a repository name that starts with a - (dash) character.
Notes
| Author | Note |
|---|---|
| tyhicks | Per upstream advisory, 1.6.1 is the earliest version affected |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
git Launchpad, Ubuntu, Debian |
trusty |
Released
(1:1.9.1-1ubuntu0.5)
|
| upstream |
Released
(1:2.11.0-3)
|
|
| xenial |
Released
(1:2.7.4-0ubuntu1.1)
|
|
| yakkety |
Released
(1:2.9.3-1ubuntu0.1)
|
|
| zesty |
Released
(1:2.11.0-2ubuntu0.1)
|
|
|
Patches: upstream: https://git.kernel.org/pub/scm/git/git.git/commit/?id=3ec804490a265f4c418a321428c12f3f18b7eff5 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
- http://lkml.iu.edu/hypermail/linux/kernel/1705.1/01337.html
- http://lkml.iu.edu/hypermail/linux/kernel/1705.1/01346.html
- https://insinuator.net/2017/05/git-shell-bypass-by-abusing-less-cve-2017-8386/
- https://ubuntu.com/security/notices/USN-3287-1
- https://www.cve.org/CVERecord?id=CVE-2017-8386
- NVD
- Launchpad
- Debian